1
JEE Advanced 2016 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
The crystalline form of borax has.
A
tetranuclear [B4O5(OH)4]2- unit
B
all boron atoms in the same plane
C
equal number of sp2 and sp3 hybridised boron atoms
D
one terminal hydroxide per boron atom
2
JEE Advanced 2015 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statements regarding (i) HClO, (ii) HClO2, (iii) HClO3 and (iv) HClO4 is (are)

A
The number of Cl=O bonds (ii) and (iii) together is two.
B
The number of lone pairs of electrons on Cl in (ii) and (iii) together is three.
C
The hybridization of Cl in (iv) is sp3
D
Amongst (i) to (iv), the strongest acid is (i).
3
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+3
-0
The correct statement(s) for orthoboric acid is/are
A
it behaves as a weak acid in water due to self ionisation
B
acidity of its aqueous solution increases upon addition of ethylene glycol
C
it has a three dimensional structure due to hydrogen bonding
D
it is a weak electrolyte in water
4
JEE Advanced 2013 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statement(s) about O3 is(are)

A
O-O bond lengths are equal.
B
Thermal decomposition of O3 is endothermic.
C
O3 is diamagnetic in nature.
D
O3 has a bent structure.
JEE Advanced Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12